Cita APA (7th ed.)

KREBS, C. J. (1978). Ecology the experimental analysis of distribution and abundance. Harper and Row.

Cita Chicago (17th ed.)

KREBS, Charles J. Ecology the Experimental Analysis of Distribution and Abundance. New York: Harper and Row, 1978.

Cita MLA (9th ed.)

KREBS, Charles J. Ecology the Experimental Analysis of Distribution and Abundance. Harper and Row, 1978.

Atenció: Aquestes cites poden no estar 100% correctes.